document.write( "Question 919419: ten years from now, Anna will be twice as old as Barbara. Five years ago, Anna was three times as old as barbara, what are the present ages of Anna and Barbara? \n" ); document.write( "
Algebra.Com's Answer #557812 by ankor@dixie-net.com(22740)\"\" \"About 
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let a = Ann's present age
\n" ); document.write( "let b = Barbara's age
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\n" ); document.write( "write an equation for each statement, simplify as much as possible.
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\n" ); document.write( "ten years from now, Anna will be twice as old as Barbara.
\n" ); document.write( "a + 10 = 2(b+10)
\n" ); document.write( "a + 10 = 2b + 20
\n" ); document.write( "a = 2b + 20 - 10
\n" ); document.write( "a = 2b + 10
\n" ); document.write( " Five years ago, Anna was three times as old as Barbara,
\n" ); document.write( "a - 5 = 3(b-5)
\n" ); document.write( "a - 5 = 3b - 15
\n" ); document.write( "a = 3b - 15 + 5
\n" ); document.write( "a = 3b - 10
\n" ); document.write( "replace with (2b+10)
\n" ); document.write( "2b + 10 = 3b - 10
\n" ); document.write( "10 + 10 = 3b - 2b
\n" ); document.write( "20 = b
\n" ); document.write( "Barb is 20 yrs old
\n" ); document.write( "then
\n" ); document.write( "a = 2(20) + 10
\n" ); document.write( "a = 50 yrs for Ann
\n" ); document.write( ":
\n" ); document.write( "You can check these solutions in both statement\r
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